ndk-busybox/util-linux/Config.src

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#
# For a description of the syntax of this configuration file,
# see scripts/kbuild/config-language.txt.
#
menu "Linux System Utilities"
INSERT
config ACPID
bool "acpid"
default y
help
acpid listens to ACPI events coming either in textual form from
/proc/acpi/event (though it is marked deprecated it is still widely
used and _is_ a standard) or in binary form from specified evdevs
(just use /dev/input/event*).
It parses the event to retrieve ACTION and a possible PARAMETER.
It then spawns /etc/acpi/<ACTION>[/<PARAMETER>] either via run-parts
(if the resulting path is a directory) or directly as an executable.
N.B. acpid relies on run-parts so have the latter installed.
config FEATURE_ACPID_COMPAT
bool "Accept and ignore redundant options"
default y
depends on ACPID
help
Accept and ignore compatibility options -g -m -s -S -v.
config BLKID
bool "blkid"
default y
select VOLUMEID
help
Lists labels and UUIDs of all filesystems.
WARNING:
With all submodules selected, it will add ~8k to busybox.
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config DMESG
bool "dmesg"
default y
help
dmesg is used to examine or control the kernel ring buffer. When the
Linux kernel prints messages to the system log, they are stored in
the kernel ring buffer. You can use dmesg to print the kernel's ring
buffer, clear the kernel ring buffer, change the size of the kernel
ring buffer, and change the priority level at which kernel messages
are also logged to the system console. Enable this option if you
wish to enable the 'dmesg' utility.
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config FEATURE_DMESG_PRETTY
bool "Pretty dmesg output"
default y
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depends on DMESG
help
If you wish to scrub the syslog level from the output, say 'Y' here.
The syslog level is a string prefixed to every line with the form
"<#>".
With this option you will see:
# dmesg
Linux version 2.6.17.4 .....
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
Without this option you will see:
# dmesg
<5>Linux version 2.6.17.4 .....
<6>BIOS-provided physical RAM map:
<6> BIOS-e820: 0000000000000000 - 000000000009f000 (usable)
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config FBSET
bool "fbset"
default y
help
fbset is used to show or change the settings of a Linux frame buffer
device. The frame buffer device provides a simple and unique
interface to access a graphics display. Enable this option
if you wish to enable the 'fbset' utility.
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config FEATURE_FBSET_FANCY
bool "Turn on extra fbset options"
default y
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depends on FBSET
help
This option enables extended fbset options, allowing one to set the
framebuffer size, color depth, etc. interface to access a graphics
display. Enable this option if you wish to enable extended fbset
options.
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config FEATURE_FBSET_READMODE
bool "Turn on fbset readmode support"
default y
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depends on FBSET
help
This option allows fbset to read the video mode database stored by
default as /etc/fb.modes, which can be used to set frame buffer
device to pre-defined video modes.
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config FDFLUSH
bool "fdflush"
default y
help
fdflush is only needed when changing media on slightly-broken
removable media drives. It is used to make Linux believe that a
hardware disk-change switch has been actuated, which causes Linux to
forget anything it has cached from the previous media. If you have
such a slightly-broken drive, you will need to run fdflush every time
you change a disk. Most people have working hardware and can safely
leave this disabled.
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config FDFORMAT
bool "fdformat"
default y
help
fdformat is used to low-level format a floppy disk.
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config FDISK
bool "fdisk"
default y
help
The fdisk utility is used to divide hard disks into one or more
logical disks, which are generally called partitions. This utility
can be used to list and edit the set of partitions or BSD style
'disk slices' that are defined on a hard drive.
config FDISK_SUPPORT_LARGE_DISKS
bool "Support over 4GB disks"
default y
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depends on FDISK
help
Enable this option to support large disks > 4GB.
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config FEATURE_FDISK_WRITABLE
bool "Write support"
default y
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depends on FDISK
help
Enabling this option allows you to create or change a partition table
and write those changes out to disk. If you leave this option
disabled, you will only be able to view the partition table.
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config FEATURE_AIX_LABEL
bool "Support AIX disklabels"
default n
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depends on FDISK && FEATURE_FDISK_WRITABLE
help
Enabling this option allows you to create or change AIX disklabels.
Most people can safely leave this option disabled.
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config FEATURE_SGI_LABEL
bool "Support SGI disklabels"
default n
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depends on FDISK && FEATURE_FDISK_WRITABLE
help
Enabling this option allows you to create or change SGI disklabels.
Most people can safely leave this option disabled.
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config FEATURE_SUN_LABEL
bool "Support SUN disklabels"
default n
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depends on FDISK && FEATURE_FDISK_WRITABLE
help
Enabling this option allows you to create or change SUN disklabels.
Most people can safely leave this option disabled.
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config FEATURE_OSF_LABEL
bool "Support BSD disklabels"
default n
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depends on FDISK && FEATURE_FDISK_WRITABLE
help
Enabling this option allows you to create or change BSD disklabels
and define and edit BSD disk slices.
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config FEATURE_FDISK_ADVANCED
bool "Support expert mode"
default y
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depends on FDISK && FEATURE_FDISK_WRITABLE
help
Enabling this option allows you to do terribly unsafe things like
define arbitrary drive geometry, move the beginning of data in a
partition, and similarly evil things. Unless you have a very good
reason you would be wise to leave this disabled.
config FINDFS
bool "findfs"
default y
select VOLUMEID
help
Prints the name of a filesystem with given label or UUID.
WARNING:
With all submodules selected, it will add ~8k to busybox.
config FLOCK
bool "flock"
default y
help
Manage locks from shell scripts
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config FREERAMDISK
bool "freeramdisk"
default y
help
Linux allows you to create ramdisks. This utility allows you to
delete them and completely free all memory that was used for the
ramdisk. For example, if you boot Linux into a ramdisk and later
pivot_root, you may want to free the memory that is allocated to the
ramdisk. If you have no use for freeing memory from a ramdisk, leave
this disabled.
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config FSCK_MINIX
bool "fsck_minix"
default y
help
The minix filesystem is a nice, small, compact, read-write filesystem
with little overhead. It is not a journaling filesystem however and
can experience corruption if it is not properly unmounted or if the
power goes off in the middle of a write. This utility allows you to
check for and attempt to repair any corruption that occurs to a minix
filesystem.
config MKFS_EXT2
bool "mkfs_ext2"
default y
help
Utility to create EXT2 filesystems.
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config MKFS_MINIX
bool "mkfs_minix"
default y
help
The minix filesystem is a nice, small, compact, read-write filesystem
with little overhead. If you wish to be able to create minix
filesystems this utility will do the job for you.
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config FEATURE_MINIX2
bool "Support Minix fs v2 (fsck_minix/mkfs_minix)"
default y
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depends on FSCK_MINIX || MKFS_MINIX
help
If you wish to be able to create version 2 minix filesystems, enable
this. If you enabled 'mkfs_minix' then you almost certainly want to
be using the version 2 filesystem support.
config MKFS_REISER
bool "mkfs_reiser"
default n
help
Utility to create ReiserFS filesystems.
Note: this applet needs a lot of testing and polishing.
config MKFS_VFAT
bool "mkfs_vfat"
default y
help
Utility to create FAT32 filesystems.
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config GETOPT
bool "getopt"
default y
help
The getopt utility is used to break up (parse) options in command
lines to make it easy to write complex shell scripts that also check
for legal (and illegal) options. If you want to write horribly
complex shell scripts, or use some horribly complex shell script
written by others, this utility may be for you. Most people will
wisely leave this disabled.
config FEATURE_GETOPT_LONG
bool "Support option -l"
default y if LONG_OPTS
depends on GETOPT
help
Enable support for long options (option -l).
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config HEXDUMP
bool "hexdump"
default y
help
The hexdump utility is used to display binary data in a readable
way that is comparable to the output from most hex editors.
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config FEATURE_HEXDUMP_REVERSE
bool "Support -R, reverse of 'hexdump -Cv'"
default y
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depends on HEXDUMP
help
The hexdump utility is used to display binary data in an ascii
readable way. This option creates binary data from an ascii input.
NB: this option is non-standard. It's unwise to use it in scripts
aimed to be portable.
config HD
bool "hd"
default y
depends on HEXDUMP
help
hd is an alias to hexdump -C.
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config HWCLOCK
bool "hwclock"
default y
help
The hwclock utility is used to read and set the hardware clock
on a system. This is primarily used to set the current time on
shutdown in the hardware clock, so the hardware will keep the
correct time when Linux is _not_ running.
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config FEATURE_HWCLOCK_LONG_OPTIONS
bool "Support long options (--hctosys,...)"
default y
depends on HWCLOCK && LONG_OPTS
help
By default, the hwclock utility only uses short options. If you
are overly fond of its long options, such as --hctosys, --utc, etc)
then enable this option.
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config FEATURE_HWCLOCK_ADJTIME_FHS
bool "Use FHS /var/lib/hwclock/adjtime"
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default y
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depends on HWCLOCK
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help
Starting with FHS 2.3, the adjtime state file is supposed to exist
at /var/lib/hwclock/adjtime instead of /etc/adjtime. If you wish
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to use the FHS behavior, answer Y here, otherwise answer N for the
classic /etc/adjtime path.
pathname.com/fhs/pub/fhs-2.3.html#VARLIBHWCLOCKSTATEDIRECTORYFORHWCLO
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config IPCRM
bool "ipcrm"
default y
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select FEATURE_SUID
help
The ipcrm utility allows the removal of System V interprocess
communication (IPC) objects and the associated data structures
from the system.
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config IPCS
bool "ipcs"
default y
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select FEATURE_SUID
help
The ipcs utility is used to provide information on the currently
allocated System V interprocess (IPC) objects in the system.
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config LOSETUP
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bool "losetup"
default y
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help
losetup is used to associate or detach a loop device with a regular
file or block device, and to query the status of a loop device. This
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version does not currently support enabling data encryption.
config LSPCI
bool "lspci"
default y
help
lspci is a utility for displaying information about PCI buses in the
system and devices connected to them.
This version uses sysfs (/sys/bus/pci/devices) only.
config LSUSB
bool "lsusb"
default y
help
lsusb is a utility for displaying information about USB buses in the
system and devices connected to them.
This version uses sysfs (/sys/bus/usb/devices) only.
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config MDEV
bool "mdev"
default y
help
mdev is a mini-udev implementation for dynamically creating device
nodes in the /dev directory.
For more information, please see docs/mdev.txt
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config FEATURE_MDEV_CONF
bool "Support /etc/mdev.conf"
default y
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depends on MDEV
help
Add support for the mdev config file to control ownership and
permissions of the device nodes.
For more information, please see docs/mdev.txt
config FEATURE_MDEV_RENAME
bool "Support subdirs/symlinks"
default y
depends on FEATURE_MDEV_CONF
help
Add support for renaming devices and creating symlinks.
For more information, please see docs/mdev.txt
config FEATURE_MDEV_RENAME_REGEXP
bool "Support regular expressions substitutions when renaming device"
default y
depends on FEATURE_MDEV_RENAME
help
Add support for regular expressions substitutions when renaming
device.
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config FEATURE_MDEV_EXEC
bool "Support command execution at device addition/removal"
default y
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depends on FEATURE_MDEV_CONF
help
This adds support for an optional field to /etc/mdev.conf for
executing commands when devices are created/removed.
For more information, please see docs/mdev.txt
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config FEATURE_MDEV_LOAD_FIRMWARE
bool "Support loading of firmwares"
default y
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depends on MDEV
help
Some devices need to load firmware before they can be usable.
These devices will request userspace look up the files in
/lib/firmware/ and if it exists, send it to the kernel for
loading into the hardware.
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config MKSWAP
bool "mkswap"
default y
help
The mkswap utility is used to configure a file or disk partition as
Linux swap space. This allows Linux to use the entire file or
partition as if it were additional RAM, which can greatly increase
the capability of low-memory machines. This additional memory is
much slower than real RAM, but can be very helpful at preventing your
applications being killed by the Linux out of memory (OOM) killer.
Once you have created swap space using 'mkswap' you need to enable
the swap space using the 'swapon' utility.
config FEATURE_MKSWAP_UUID
bool "UUID support"
default y
depends on MKSWAP
help
Generate swap spaces with universally unique identifiers.
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config MORE
bool "more"
default y
help
more is a simple utility which allows you to read text one screen
sized page at a time. If you want to read text that is larger than
the screen, and you are using anything faster than a 300 baud modem,
you will probably find this utility very helpful. If you don't have
any need to reading text files, you can leave this disabled.
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config FEATURE_USE_TERMIOS
bool "Use termios to manipulate the screen"
default y
depends on MORE || TOP
help
This option allows utilities such as 'more' and 'top' to determine
the size of the screen. If you leave this disabled, your utilities
that display things on the screen will be especially primitive and
will be unable to determine the current screen size, and will be
unable to move the cursor.
config VOLUMEID
bool #No description makes it a hidden option
default n
config FEATURE_VOLUMEID_EXT
bool "Ext filesystem"
default y
depends on VOLUMEID
help
TODO
config FEATURE_VOLUMEID_BTRFS
bool "btrfs filesystem"
default y
depends on VOLUMEID
help
TODO
config FEATURE_VOLUMEID_REISERFS
bool "Reiser filesystem"
default y
depends on VOLUMEID
help
TODO
config FEATURE_VOLUMEID_FAT
bool "fat filesystem"
default y
depends on VOLUMEID
help
TODO
config FEATURE_VOLUMEID_HFS
bool "hfs filesystem"
default y
depends on VOLUMEID
help
TODO
config FEATURE_VOLUMEID_JFS
bool "jfs filesystem"
default y
depends on VOLUMEID
help
TODO
### config FEATURE_VOLUMEID_UFS
### bool "ufs filesystem"
### default y
### depends on VOLUMEID
### help
### TODO
config FEATURE_VOLUMEID_XFS
bool "xfs filesystem"
default y
depends on VOLUMEID
help
TODO
config FEATURE_VOLUMEID_NTFS
bool "ntfs filesystem"
default y
depends on VOLUMEID
help
TODO
config FEATURE_VOLUMEID_ISO9660
bool "iso9660 filesystem"
default y
depends on VOLUMEID
help
TODO
config FEATURE_VOLUMEID_UDF
bool "udf filesystem"
default y
depends on VOLUMEID
help
TODO
config FEATURE_VOLUMEID_LUKS
bool "luks filesystem"
default y
depends on VOLUMEID
help
TODO
config FEATURE_VOLUMEID_LINUXSWAP
bool "linux swap filesystem"
default y
depends on VOLUMEID
help
TODO
### config FEATURE_VOLUMEID_LVM
### bool "lvm"
### default y
### depends on VOLUMEID
### help
### TODO
config FEATURE_VOLUMEID_CRAMFS
bool "cramfs filesystem"
default y
depends on VOLUMEID
help
TODO
### config FEATURE_VOLUMEID_HPFS
### bool "hpfs filesystem"
### default y
### depends on VOLUMEID
### help
### TODO
config FEATURE_VOLUMEID_ROMFS
bool "romfs filesystem"
default y
depends on VOLUMEID
help
TODO
config FEATURE_VOLUMEID_SYSV
bool "sysv filesystem"
default y
depends on VOLUMEID
help
TODO
### config FEATURE_VOLUMEID_MINIX
### bool "minix filesystem"
### default y
### depends on VOLUMEID
### help
### TODO
volude_id: remove unused fields and functions which were setting them function old new delta uuidcache_init 567 704 +137 findfs_main - 125 +125 packed_usage 23662 23694 +32 static.drive_name_string - 14 +14 applet_names 1815 1822 +7 applet_main 1104 1108 +4 volume_id_open_node 35 38 +3 applet_nameofs 552 554 +2 get_devname_from_label 78 79 +1 applet_install_loc 138 139 +1 volume_id_set_label_unicode16 31 27 -4 volume_id_set_label_string 74 70 -4 get_devname_from_uuid 63 59 -4 fs1 12 8 -4 volume_id_set_unicode16 209 202 -7 volume_id_free_buffer 71 56 -15 free_volume_id 52 37 -15 volume_id_probe_luks 97 79 -18 volume_id_set_usage_part 21 - -21 volume_id_probe_ufs 148 126 -22 volume_id_probe_lsi_mega_raid 131 108 -23 volume_id_probe_highpoint_45x_raid 127 104 -23 volume_id_probe_highpoint_37x_raid 87 63 -24 volume_id_set_usage 28 - -28 volume_id_probe_romfs 121 93 -28 volume_id_set_label_raw 30 - -30 volume_id_probe_promise_fasttrack_raid 174 144 -30 volume_id_set_uuid 373 342 -31 volume_id_probe_xfs 122 91 -31 volume_id_probe_jfs 138 107 -31 volume_id_probe_ocfs2 139 107 -32 volume_id_probe_lvm1 90 58 -32 volume_id_probe_cramfs 106 63 -43 volume_id_probe_via_raid 145 101 -44 volume_id_probe_intel_software_raid 153 108 -45 volume_id_probe_minix 121 74 -47 volume_id_probe_udf 682 632 -50 volume_id_probe_nvidia_raid 158 108 -50 volume_id_probe_lvm2 128 78 -50 volume_id_probe_hpfs 117 67 -50 volume_id_probe_ext 143 93 -50 volume_id_probe_linux_raid 191 139 -52 volume_id_probe_sysv 244 187 -57 volume_id_probe_silicon_medley_raid 158 97 -61 usage_to_string 64 - -64 volume_id_probe_linux_swap 263 198 -65 volume_id_get_buffer 372 307 -65 volume_id_probe_iso9660 412 332 -80 volume_id_probe_hfs_hfsplus 888 806 -82 volume_id_probe_ntfs 396 294 -102 volume_id_probe_vfat 980 872 -108 volume_id_probe_reiserfs 417 268 -149 dev_get_major_minor 175 - -175 uuidcache_check_device 692 499 -193 volume_id_probe_mac_partition_map 697 - -697 ------------------------------------------------------------------------------ (add/remove: 2/6 grow/shrink: 8/39 up/down: 326/-2836) Total: -2510 bytes text data bss dec hex filename 797220 662 7420 805302 c49b6 busybox_old 794244 662 7420 802326 c3e16 busybox_unstripped
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### These only detect partition tables - not used (yet?)
### config FEATURE_VOLUMEID_MAC
### bool "mac filesystem"
### default y
### depends on VOLUMEID
### help
### TODO
2008-04-22 00:16:29 +00:00
###
volude_id: remove unused fields and functions which were setting them function old new delta uuidcache_init 567 704 +137 findfs_main - 125 +125 packed_usage 23662 23694 +32 static.drive_name_string - 14 +14 applet_names 1815 1822 +7 applet_main 1104 1108 +4 volume_id_open_node 35 38 +3 applet_nameofs 552 554 +2 get_devname_from_label 78 79 +1 applet_install_loc 138 139 +1 volume_id_set_label_unicode16 31 27 -4 volume_id_set_label_string 74 70 -4 get_devname_from_uuid 63 59 -4 fs1 12 8 -4 volume_id_set_unicode16 209 202 -7 volume_id_free_buffer 71 56 -15 free_volume_id 52 37 -15 volume_id_probe_luks 97 79 -18 volume_id_set_usage_part 21 - -21 volume_id_probe_ufs 148 126 -22 volume_id_probe_lsi_mega_raid 131 108 -23 volume_id_probe_highpoint_45x_raid 127 104 -23 volume_id_probe_highpoint_37x_raid 87 63 -24 volume_id_set_usage 28 - -28 volume_id_probe_romfs 121 93 -28 volume_id_set_label_raw 30 - -30 volume_id_probe_promise_fasttrack_raid 174 144 -30 volume_id_set_uuid 373 342 -31 volume_id_probe_xfs 122 91 -31 volume_id_probe_jfs 138 107 -31 volume_id_probe_ocfs2 139 107 -32 volume_id_probe_lvm1 90 58 -32 volume_id_probe_cramfs 106 63 -43 volume_id_probe_via_raid 145 101 -44 volume_id_probe_intel_software_raid 153 108 -45 volume_id_probe_minix 121 74 -47 volume_id_probe_udf 682 632 -50 volume_id_probe_nvidia_raid 158 108 -50 volume_id_probe_lvm2 128 78 -50 volume_id_probe_hpfs 117 67 -50 volume_id_probe_ext 143 93 -50 volume_id_probe_linux_raid 191 139 -52 volume_id_probe_sysv 244 187 -57 volume_id_probe_silicon_medley_raid 158 97 -61 usage_to_string 64 - -64 volume_id_probe_linux_swap 263 198 -65 volume_id_get_buffer 372 307 -65 volume_id_probe_iso9660 412 332 -80 volume_id_probe_hfs_hfsplus 888 806 -82 volume_id_probe_ntfs 396 294 -102 volume_id_probe_vfat 980 872 -108 volume_id_probe_reiserfs 417 268 -149 dev_get_major_minor 175 - -175 uuidcache_check_device 692 499 -193 volume_id_probe_mac_partition_map 697 - -697 ------------------------------------------------------------------------------ (add/remove: 2/6 grow/shrink: 8/39 up/down: 326/-2836) Total: -2510 bytes text data bss dec hex filename 797220 662 7420 805302 c49b6 busybox_old 794244 662 7420 802326 c3e16 busybox_unstripped
2008-03-17 09:21:26 +00:00
### config FEATURE_VOLUMEID_MSDOS
### bool "msdos filesystem"
### default y
### depends on VOLUMEID
### help
### TODO
config FEATURE_VOLUMEID_OCFS2
bool "ocfs2 filesystem"
default y
depends on VOLUMEID
help
TODO
### config FEATURE_VOLUMEID_HIGHPOINTRAID
### bool "highpoint raid"
### default y
### depends on VOLUMEID
### help
### TODO
### config FEATURE_VOLUMEID_ISWRAID
### bool "intel raid"
### default y
### depends on VOLUMEID
### help
### TODO
### config FEATURE_VOLUMEID_LSIRAID
### bool "lsi raid"
### default y
### depends on VOLUMEID
### help
### TODO
### config FEATURE_VOLUMEID_VIARAID
### bool "via raid"
### default y
### depends on VOLUMEID
### help
### TODO
### config FEATURE_VOLUMEID_SILICONRAID
### bool "silicon raid"
### default y
### depends on VOLUMEID
### help
### TODO
### config FEATURE_VOLUMEID_NVIDIARAID
### bool "nvidia raid"
### default y
### depends on VOLUMEID
### help
### TODO
### config FEATURE_VOLUMEID_PROMISERAID
### bool "promise raid"
### default y
### depends on VOLUMEID
### help
### TODO
config FEATURE_VOLUMEID_LINUXRAID
bool "linuxraid"
default y
depends on VOLUMEID
help
TODO
2006-10-05 10:17:08 +00:00
config MOUNT
bool "mount"
default y
help
All files and filesystems in Unix are arranged into one big directory
tree. The 'mount' utility is used to graft a filesystem onto a
particular part of the tree. A filesystem can either live on a block
device, or it can be accessible over the network, as is the case with
NFS filesystems. Most people using BusyBox will also want to enable
the 'mount' utility.
config FEATURE_MOUNT_FAKE
bool "Support option -f"
default y
depends on MOUNT
help
Enable support for faking a file system mount.
config FEATURE_MOUNT_VERBOSE
bool "Support option -v"
default y
depends on MOUNT
help
Enable multi-level -v[vv...] verbose messages. Useful if you
debug mount problems and want to see what is exactly passed
to the kernel.
config FEATURE_MOUNT_HELPERS
bool "Support mount helpers"
default n
depends on MOUNT
help
Enable mounting of virtual file systems via external helpers.
E.g. "mount obexfs#-b00.11.22.33.44.55 /mnt" will in effect call
"obexfs -b00.11.22.33.44.55 /mnt"
Also "mount -t sometype [-o opts] fs /mnt" will try
"sometype [-o opts] fs /mnt" if simple mount syscall fails.
The idea is to use such virtual filesystems in /etc/fstab.
config FEATURE_MOUNT_LABEL
bool "Support specifying devices by label or UUID"
default y
depends on MOUNT
select VOLUMEID
help
This allows for specifying a device by label or uuid, rather than by
name. This feature utilizes the same functionality as blkid/findfs.
This also enables label or uuid support for swapon.
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config FEATURE_MOUNT_NFS
bool "Support mounting NFS file systems"
default y
depends on MOUNT
select FEATURE_HAVE_RPC
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select FEATURE_SYSLOG
help
Enable mounting of NFS file systems.
2006-10-05 10:17:08 +00:00
config FEATURE_MOUNT_CIFS
bool "Support mounting CIFS/SMB file systems"
default y
2006-10-05 10:17:08 +00:00
depends on MOUNT
help
Enable support for samba mounts.
2006-10-05 10:17:08 +00:00
config FEATURE_MOUNT_FLAGS
depends on MOUNT
bool "Support lots of -o flags in mount"
default y
help
Without this, mount only supports ro/rw/remount. With this, it
supports nosuid, suid, dev, nodev, exec, noexec, sync, async, atime,
noatime, diratime, nodiratime, loud, bind, move, shared, slave,
private, unbindable, rshared, rslave, rprivate, and runbindable.
2006-10-05 10:17:08 +00:00
config FEATURE_MOUNT_FSTAB
depends on MOUNT
bool "Support /etc/fstab and -a"
default y
help
Support mount all and looking for files in /etc/fstab.
2006-10-05 10:17:08 +00:00
config PIVOT_ROOT
bool "pivot_root"
default y
help
The pivot_root utility swaps the mount points for the root filesystem
with some other mounted filesystem. This allows you to do all sorts
of wild and crazy things with your Linux system and is far more
powerful than 'chroot'.
Note: This is for initrd in linux 2.4. Under initramfs (introduced
in linux 2.6) use switch_root instead.
2006-10-05 10:17:08 +00:00
config RDATE
bool "rdate"
default y
help
The rdate utility allows you to synchronize the date and time of your
system clock with the date and time of a remote networked system using
the RFC868 protocol, which is built into the inetd daemon on most
systems.
config RDEV
bool "rdev"
default y
help
Print the device node associated with the filesystem mounted at '/'.
2006-10-05 10:17:08 +00:00
config READPROFILE
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bool "readprofile"
default y
2005-09-24 23:12:38 +00:00
help
This allows you to parse /proc/profile for basic profiling.
config RTCWAKE
bool "rtcwake"
default y
help
Enter a system sleep state until specified wakeup time.
config SCRIPT
bool "script"
default y
help
The script makes typescript of terminal session.
config SCRIPTREPLAY
bool "scriptreplay"
default y
help
This program replays a typescript, using timing information
given by script -t.
2006-10-05 10:17:08 +00:00
config SETARCH
2006-02-21 04:26:52 +00:00
bool "setarch"
default y
2006-02-21 04:26:52 +00:00
help
The linux32 utility is used to create a 32bit environment for the
specified program (usually a shell). It only makes sense to have
2006-02-21 04:26:52 +00:00
this util on a system that supports both 64bit and 32bit userland
(like amd64/x86, ppc64/ppc, sparc64/sparc, etc...).
2006-10-05 10:17:08 +00:00
config SWAPONOFF
bool "swaponoff"
default y
help
This option enables both the 'swapon' and the 'swapoff' utilities.
Once you have created some swap space using 'mkswap', you also need
to enable your swap space with the 'swapon' utility. The 'swapoff'
utility is used, typically at system shutdown, to disable any swap
space. If you are not using any swap space, you can leave this
option disabled.
config FEATURE_SWAPON_PRI
2008-05-19 08:25:23 +00:00
bool "Support priority option -p"
default y
depends on SWAPONOFF
help
Enable support for setting swap device priority in swapon.
2006-10-05 10:17:08 +00:00
config SWITCH_ROOT
bool "switch_root"
default y
help
The switch_root utility is used from initramfs to select a new
root device. Under initramfs, you have to use this instead of
pivot_root. (Stop reading here if you don't care why.)
Booting with initramfs extracts a gzipped cpio archive into rootfs
(which is a variant of ramfs/tmpfs). Because rootfs can't be moved
or unmounted*, pivot_root will not work from initramfs. Instead,
switch_root deletes everything out of rootfs (including itself),
does a mount --move that overmounts rootfs with the new root, and
then execs the specified init program.
* Because the Linux kernel uses rootfs internally as the starting
and ending point for searching through the kernel's doubly linked
list of active mount points. That's why.
2006-10-05 10:17:08 +00:00
config UMOUNT
bool "umount"
default y
help
When you want to remove a mounted filesystem from its current mount
point, for example when you are shutting down the system, the
'umount' utility is the tool to use. If you enabled the 'mount'
utility, you almost certainly also want to enable 'umount'.
2006-10-05 10:17:08 +00:00
config FEATURE_UMOUNT_ALL
bool "Support option -a"
default y
2006-10-05 10:17:08 +00:00
depends on UMOUNT
help
Support -a option to unmount all currently mounted filesystems.
comment "Common options for mount/umount"
2006-10-05 10:17:08 +00:00
depends on MOUNT || UMOUNT
2006-10-05 10:17:08 +00:00
config FEATURE_MOUNT_LOOP
bool "Support loopback mounts"
default y
2006-10-05 10:17:08 +00:00
depends on MOUNT || UMOUNT
help
Major rewrite of mount, umount, losetup. Untangled lots of code, shrunk things down a bit, fixed a number of funky corner cases, added support for several new features (things like mount --move, mount --bind, lazy unounts, automatic detection of loop mounts, and so on). Probably broke several other things, but it's fixable. (Bang on it, tell me what doesn't work for you...) Note: you no longer need to say "-o loop". It does that for you when necessary. Still need to add "user mount" support, which involves making mount suid. Not too hard to do under the new infrastructure, just haven't done it yet... The previous code had the following notes, that belong in the version control comments: - * 3/21/1999 Charles P. Wright <cpwright@cpwright.com> - * searches through fstab when -a is passed - * will try mounting stuff with all fses when passed -t auto - * - * 1999-04-17 Dave Cinege...Rewrote -t auto. Fixed ro mtab. - * - * 1999-10-07 Erik Andersen <andersen@codepoet.org>. - * Rewrite of a lot of code. Removed mtab usage (I plan on - * putting it back as a compile-time option some time), - * major adjustments to option parsing, and some serious - * dieting all around. - * - * 1999-11-06 mtab support is back - andersee - * - * 2000-01-12 Ben Collins <bcollins@debian.org>, Borrowed utils-linux's - * mount to add loop support. - * - * 2000-04-30 Dave Cinege <dcinege@psychosis.com> - * Rewrote fstab while loop and lower mount section. Can now do - * single mounts from fstab. Can override fstab options for single - * mount. Common mount_one call for single mounts and 'all'. Fixed - * mtab updating and stale entries. Removed 'remount' default. - *
2005-08-10 20:35:54 +00:00
Enabling this feature allows automatic mounting of files (containing
filesystem images) via the linux kernel's loopback devices.
The mount command will detect you are trying to mount a file instead
of a block device, and transparently associate the file with a
loopback device. The umount command will also free that loopback
device.
2006-01-25 00:08:53 +00:00
Major rewrite of mount, umount, losetup. Untangled lots of code, shrunk things down a bit, fixed a number of funky corner cases, added support for several new features (things like mount --move, mount --bind, lazy unounts, automatic detection of loop mounts, and so on). Probably broke several other things, but it's fixable. (Bang on it, tell me what doesn't work for you...) Note: you no longer need to say "-o loop". It does that for you when necessary. Still need to add "user mount" support, which involves making mount suid. Not too hard to do under the new infrastructure, just haven't done it yet... The previous code had the following notes, that belong in the version control comments: - * 3/21/1999 Charles P. Wright <cpwright@cpwright.com> - * searches through fstab when -a is passed - * will try mounting stuff with all fses when passed -t auto - * - * 1999-04-17 Dave Cinege...Rewrote -t auto. Fixed ro mtab. - * - * 1999-10-07 Erik Andersen <andersen@codepoet.org>. - * Rewrite of a lot of code. Removed mtab usage (I plan on - * putting it back as a compile-time option some time), - * major adjustments to option parsing, and some serious - * dieting all around. - * - * 1999-11-06 mtab support is back - andersee - * - * 2000-01-12 Ben Collins <bcollins@debian.org>, Borrowed utils-linux's - * mount to add loop support. - * - * 2000-04-30 Dave Cinege <dcinege@psychosis.com> - * Rewrote fstab while loop and lower mount section. Can now do - * single mounts from fstab. Can override fstab options for single - * mount. Common mount_one call for single mounts and 'all'. Fixed - * mtab updating and stale entries. Removed 'remount' default. - *
2005-08-10 20:35:54 +00:00
You can still use the 'losetup' utility (to manually associate files
2007-01-24 08:24:43 +00:00
with loop devices) if you need to do something advanced, such as
Major rewrite of mount, umount, losetup. Untangled lots of code, shrunk things down a bit, fixed a number of funky corner cases, added support for several new features (things like mount --move, mount --bind, lazy unounts, automatic detection of loop mounts, and so on). Probably broke several other things, but it's fixable. (Bang on it, tell me what doesn't work for you...) Note: you no longer need to say "-o loop". It does that for you when necessary. Still need to add "user mount" support, which involves making mount suid. Not too hard to do under the new infrastructure, just haven't done it yet... The previous code had the following notes, that belong in the version control comments: - * 3/21/1999 Charles P. Wright <cpwright@cpwright.com> - * searches through fstab when -a is passed - * will try mounting stuff with all fses when passed -t auto - * - * 1999-04-17 Dave Cinege...Rewrote -t auto. Fixed ro mtab. - * - * 1999-10-07 Erik Andersen <andersen@codepoet.org>. - * Rewrite of a lot of code. Removed mtab usage (I plan on - * putting it back as a compile-time option some time), - * major adjustments to option parsing, and some serious - * dieting all around. - * - * 1999-11-06 mtab support is back - andersee - * - * 2000-01-12 Ben Collins <bcollins@debian.org>, Borrowed utils-linux's - * mount to add loop support. - * - * 2000-04-30 Dave Cinege <dcinege@psychosis.com> - * Rewrote fstab while loop and lower mount section. Can now do - * single mounts from fstab. Can override fstab options for single - * mount. Common mount_one call for single mounts and 'all'. Fixed - * mtab updating and stale entries. Removed 'remount' default. - *
2005-08-10 20:35:54 +00:00
specify an offset or cryptographic options to the loopback device.
(If you don't want umount to free the loop device, use "umount -D".)
config FEATURE_MOUNT_LOOP_CREATE
bool "Create new loopback devices if needed"
default y
depends on FEATURE_MOUNT_LOOP
help
Linux kernels >= 2.6.24 support unlimited loopback devices. They are
allocated for use when trying to use a loop device. The loop device
must however exist.
This feature lets mount to try to create next /dev/loopN device
if it does not find a free one.
2006-10-05 10:17:08 +00:00
config FEATURE_MTAB_SUPPORT
bool "Support for the old /etc/mtab file"
default n
2006-10-05 10:17:08 +00:00
depends on MOUNT || UMOUNT
select FEATURE_MOUNT_FAKE
help
Major rewrite of mount, umount, losetup. Untangled lots of code, shrunk things down a bit, fixed a number of funky corner cases, added support for several new features (things like mount --move, mount --bind, lazy unounts, automatic detection of loop mounts, and so on). Probably broke several other things, but it's fixable. (Bang on it, tell me what doesn't work for you...) Note: you no longer need to say "-o loop". It does that for you when necessary. Still need to add "user mount" support, which involves making mount suid. Not too hard to do under the new infrastructure, just haven't done it yet... The previous code had the following notes, that belong in the version control comments: - * 3/21/1999 Charles P. Wright <cpwright@cpwright.com> - * searches through fstab when -a is passed - * will try mounting stuff with all fses when passed -t auto - * - * 1999-04-17 Dave Cinege...Rewrote -t auto. Fixed ro mtab. - * - * 1999-10-07 Erik Andersen <andersen@codepoet.org>. - * Rewrite of a lot of code. Removed mtab usage (I plan on - * putting it back as a compile-time option some time), - * major adjustments to option parsing, and some serious - * dieting all around. - * - * 1999-11-06 mtab support is back - andersee - * - * 2000-01-12 Ben Collins <bcollins@debian.org>, Borrowed utils-linux's - * mount to add loop support. - * - * 2000-04-30 Dave Cinege <dcinege@psychosis.com> - * Rewrote fstab while loop and lower mount section. Can now do - * single mounts from fstab. Can override fstab options for single - * mount. Common mount_one call for single mounts and 'all'. Fixed - * mtab updating and stale entries. Removed 'remount' default. - *
2005-08-10 20:35:54 +00:00
Historically, Unix systems kept track of the currently mounted
partitions in the file "/etc/mtab". These days, the kernel exports
Major rewrite of mount, umount, losetup. Untangled lots of code, shrunk things down a bit, fixed a number of funky corner cases, added support for several new features (things like mount --move, mount --bind, lazy unounts, automatic detection of loop mounts, and so on). Probably broke several other things, but it's fixable. (Bang on it, tell me what doesn't work for you...) Note: you no longer need to say "-o loop". It does that for you when necessary. Still need to add "user mount" support, which involves making mount suid. Not too hard to do under the new infrastructure, just haven't done it yet... The previous code had the following notes, that belong in the version control comments: - * 3/21/1999 Charles P. Wright <cpwright@cpwright.com> - * searches through fstab when -a is passed - * will try mounting stuff with all fses when passed -t auto - * - * 1999-04-17 Dave Cinege...Rewrote -t auto. Fixed ro mtab. - * - * 1999-10-07 Erik Andersen <andersen@codepoet.org>. - * Rewrite of a lot of code. Removed mtab usage (I plan on - * putting it back as a compile-time option some time), - * major adjustments to option parsing, and some serious - * dieting all around. - * - * 1999-11-06 mtab support is back - andersee - * - * 2000-01-12 Ben Collins <bcollins@debian.org>, Borrowed utils-linux's - * mount to add loop support. - * - * 2000-04-30 Dave Cinege <dcinege@psychosis.com> - * Rewrote fstab while loop and lower mount section. Can now do - * single mounts from fstab. Can override fstab options for single - * mount. Common mount_one call for single mounts and 'all'. Fixed - * mtab updating and stale entries. Removed 'remount' default. - *
2005-08-10 20:35:54 +00:00
the list of currently mounted partitions in "/proc/mounts", rendering
the old mtab file obsolete. (In modern systems, /etc/mtab should be
Major rewrite of mount, umount, losetup. Untangled lots of code, shrunk things down a bit, fixed a number of funky corner cases, added support for several new features (things like mount --move, mount --bind, lazy unounts, automatic detection of loop mounts, and so on). Probably broke several other things, but it's fixable. (Bang on it, tell me what doesn't work for you...) Note: you no longer need to say "-o loop". It does that for you when necessary. Still need to add "user mount" support, which involves making mount suid. Not too hard to do under the new infrastructure, just haven't done it yet... The previous code had the following notes, that belong in the version control comments: - * 3/21/1999 Charles P. Wright <cpwright@cpwright.com> - * searches through fstab when -a is passed - * will try mounting stuff with all fses when passed -t auto - * - * 1999-04-17 Dave Cinege...Rewrote -t auto. Fixed ro mtab. - * - * 1999-10-07 Erik Andersen <andersen@codepoet.org>. - * Rewrite of a lot of code. Removed mtab usage (I plan on - * putting it back as a compile-time option some time), - * major adjustments to option parsing, and some serious - * dieting all around. - * - * 1999-11-06 mtab support is back - andersee - * - * 2000-01-12 Ben Collins <bcollins@debian.org>, Borrowed utils-linux's - * mount to add loop support. - * - * 2000-04-30 Dave Cinege <dcinege@psychosis.com> - * Rewrote fstab while loop and lower mount section. Can now do - * single mounts from fstab. Can override fstab options for single - * mount. Common mount_one call for single mounts and 'all'. Fixed - * mtab updating and stale entries. Removed 'remount' default. - *
2005-08-10 20:35:54 +00:00
a symlink to /proc/mounts.)
The only reason to have mount maintain an /etc/mtab file itself is if
your stripped-down embedded system does not have a /proc directory.
If you must use this, keep in mind it's inherently brittle (for
example a mount under chroot won't update it), can't handle modern
features like separate per-process filesystem namespaces, requires
that your /etc directory be writable, tends to get easily confused
by --bind or --move mounts, won't update if you rename a directory
that contains a mount point, and so on. (In brief: avoid.)
About the only reason to use this is if you've removed /proc from
your kernel.
endmenu